Brain-Lymphatic Discovery May Hasten Science A
study at the University of Virginia (UVA) School of Medicine has found that the brain is directly connected to the body’s immune system through a previously unknown set of lymphatic vessels. The discovery furthers the under- standing for medical scientists of how the brain’s immune system works. While it’s been
known for decades that lymphatic vessels transport immune cells through the rest of the body, confirming that this also occurs within the brain has been elusive. The discovery is attributed to Antoine Louveau, Ph.D., a
postdoctoral fellow at UVA. He says, “It changes entirely the way we perceive the neuro-immune interaction. We always perceived it before as something esoteric that can’t be studied, but now we can ask mechanistic questions.” According to researchers, physicians can now examine
the physical connection between the immune system and the brain instead of only studying how the brain responds to immune issues; it might also improve how diseases like Alzheimer’s, multiple sclerosis, autism and others are un- derstood and treated.
Non-Natural Painkillers Double Depression Risk A
2015 study has found that larger opioid medication doses increase the incidence of depression in a Veterans Ad- ministration study of 355 pain patients. An opioid is a phar- maceutical compound, such as morphine, that produces an analgesic effect in the nervous system. The study, published in
the Journal of the International Association for the Study of Pain, followed patients with low-back pain for two years. The patients were taking varying doses of opioid pain killers, rated by their morphine-equiva- lent dose. The researchers found that higher doses resulted in a doubling of depression incidences. According to Dr. James Duke, author of The Green Phar-
macy, natural herbal alternatives to painkiller drugs that are free of the side effect include meadowsweet, ginger, willow bark, clove, lavender, eucalyptus, red pepper and rosemary.
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